#3F21AB Color

#3F21AB is rgb(63, 33, 171) in RGB and hsl(253, 68%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#3F21AB

HEX#3F21AB

RGBrgb(63, 33, 171)

HSLhsl(253, 68%, 40%)

HSVhsv(253, 81%, 67%)

OKLCHoklch(39.3% 0.2 282)

CMYKcmyk(63%, 81%, 0%, 33%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3F21AB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.41:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.02:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #3F21AB based on color wheel relationships. Click any swatch for its full breakdown.

Base#3F21AB Complementary#8DAB21 Analogous#2148AB Analogous#8421AB Triadic#AB3F21 Triadic#21AB3F

Tints & Shades

Lighter tints and darker shades of #3F21AB, useful for hover states, backgrounds, and text variants.

Tints

#4B27CE #6747DC #8369E2 #A08BE9 #BCAEEF #DCD4F7

Shades

#371D96 #2F1881 #27146B #1E1051 #160B3C #0E0727

Use #3F21AB in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex